Black light duty caster wheels swivel with screw

Black light duty caster wheels swivel with screw 
Bracket Material:Iron
Wheels Material: PVC
Bearing: ball

Model                     Wheel size       Load height    Thread size       Capacity
TCO-10011S-TH   D40 x W20mm      60mm        M8 x H15mm         30KG
TCO-10012S-TH   D50 x W23mm      75mm        M10 x H25mm       40KG
TCO-10013S-TH   D65 x W32mm      95mm        M12 x H30mm       80KG